arc4.c File Reference

#include "mbedtls/config.h"
#include "mbedtls/arc4.h"
#include <string.h>
#include "mbedtls/platform.h"
#include "arc4_alt.h"

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Functions
void	mbedtls_arc4_init (mbedtls_arc4_context *ctx)
	Initialize ARC4 context. More...
void	mbedtls_arc4_free (mbedtls_arc4_context *ctx)
	Clear ARC4 context. More...
void	mbedtls_arc4_setup (mbedtls_arc4_context *ctx, const unsigned char *key, unsigned int keylen)
	ARC4 key schedule. More...
int	mbedtls_arc4_crypt (mbedtls_arc4_context *ctx, size_t length, const unsigned char *input, unsigned char *output)
	ARC4 cipher function. More...
int	mbedtls_arc4_self_test (int verbose)
	Checkup routine. More...

Variables
static const unsigned char	arc4_test_key [3][8]
static const unsigned char	arc4_test_pt [3][8]
static const unsigned char	arc4_test_ct [3][8]

Function Documentation

mbedtls_arc4_crypt()

int mbedtls_arc4_crypt	(	mbedtls_arc4_context *	ctx,
		size_t	length,
		const unsigned char *	input,
		unsigned char *	output
	)

ARC4 cipher function.

Parameters

ctx	ARC4 context
length	length of the input data
input	buffer holding the input data
output	buffer for the output data

Returns

0 if successful

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mbedtls_arc4_free()

void mbedtls_arc4_free

(

mbedtls_arc4_context *

ctx

)

Clear ARC4 context.

Parameters

ctx	ARC4 context to be cleared

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mbedtls_arc4_init()

void mbedtls_arc4_init

(

mbedtls_arc4_context *

ctx

)

Initialize ARC4 context.

Parameters

ctx	ARC4 context to be initialized

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mbedtls_arc4_self_test()

int mbedtls_arc4_self_test

(

int

verbose

)

Checkup routine.

Returns

0 if successful, or 1 if the test failed

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mbedtls_arc4_setup()

void mbedtls_arc4_setup	(	mbedtls_arc4_context *	ctx,
		const unsigned char *	key,
		unsigned int	keylen
	)

ARC4 key schedule.

Parameters

ctx	ARC4 context to be setup
key	the secret key
keylen	length of the key, in bytes

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Variable Documentation

arc4_test_ct

const unsigned char arc4_test_ct[3][8]

static

Initial value:

=
{
    { 0x75, 0xB7, 0x87, 0x80, 0x99, 0xE0, 0xC5, 0x96 },
    { 0x74, 0x94, 0xC2, 0xE7, 0x10, 0x4B, 0x08, 0x79 },
    { 0xDE, 0x18, 0x89, 0x41, 0xA3, 0x37, 0x5D, 0x3A }
}

arc4_test_key

const unsigned char arc4_test_key[3][8]

static

Initial value:

=
{
    { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF },
    { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF },
    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
}

arc4_test_pt

const unsigned char arc4_test_pt[3][8]

static

Initial value:

=
{
    { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF },
    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
}